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Громмер Яков Пинхусович
GROMMER Yakov Pinhusovich
(10.08.1879 – 11.04.1933)
Mathematician, physicist-theorist; Albert Einstein’s assistant
Yakov Grommer was born in the city of Brest. He received a religious education. In 1905–1907, he worked at the University of Bern (Switzerland) and the University of Marburg (Germany). Grommer was studying mathematics, physics and philosophy at the University of Gottingen from 1907 until 1913. He received a Doctor of Philosophy degree in 1914, defended his thesis under the supervision of David Gilbert. Since 1915, Grommer became Einstein’s assistant, and worked with him for more than 10 years. The mathematician participated in writing of physics and mathematics textbooks for high schools in Palestine. Since 1928, he was a professor of the Belarusian State University, and at the same time became a leading scientist of the Physical-Technical Institute of the National Academy of Sciences of Belarus in 1931. Yakov Grommer is the author of scientific works on algebra, transcendental function theory, general theory of relativity. The scientist found out necessary and sufficient conditions of validity of the Riemann Hypothesis concerning analytic number theory (Grommer inequalities; 1914). In 1927, Grommer in cooperation with Einstein for the first time proved within the framework of the theory of relativity that the field theory can contain the theory of mechanical motion of material particles.
Works:
1. Ganze transzendente Funktionen mit lauter reellen Nullstellen // Journal fur die reine und angewandte Mathematik. 1914. Bd. 144. S. 114–166.
2. Beitrag zum Energiesatz in der allgemeinen Relativitatstheorie // Sitzungsberichte der Preussischen Akademie der Wissenschaften. 1919. S. 860–862.
3. Allgemeine Relativitatstheorie und Bewegungsgesetz // Sitzungsberichte der Preussischen Akademie der Wissenschaften. 1927. S. 2–13 (mit A. Einstein).
© National Academy of Sciences of Belarus, 2011
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